About the left ventricle, which of the following descriptions are correct?
A.It can be separated into inflowing part and outflowing part by the supraventricular crest. B.The left ventricle shows two orifices: left atrioventricular orifice and aortic orifice. C.The left atrioventricular orifice is guarded by the tricuspid valve. D.The aortic orifice is guarded by the aortic valve (主动脉瓣). E.Blood in the left ventricle passes through the aortic orifice into the ascending aorta.正确答案BDE
